CULTIVATED SPECIES 99 



Leaves elliptic, 2 inches long, clothed with scattered hairs. 

 Flowers in loose corymbs, bell-shaped, i inch long, 

 white, tinged with pink. Tender. 



R. ciliicalyx. China. 1900. A shrub similar to R. 

 formosum, distinguished by its more robust habit, larger 

 flowers, and hairs on the calyx. Tender. 



R. cinnabarinum. Himalaya, 12,000 feet. 1851. A 

 straggling shrub 8 feet high. Evergreen. Leaves oblong, 

 smooth, glaucous and scaly beneath, 3 inches long. Flowers 

 in loose corymbs, narrow bell-shaped, distinctly lobed, 

 fleshy, orange, dull-crimson, or brick-red. A most variable 

 species, and includes varieties known as Roylei and bland- 

 fordiflorum. Hardy. 



R. Collettianum. Afghanistan. 1879. A shrub 8 feet, 

 with grey branches. Evergreen. Leaves lance-shaped, 

 dull-green, brown-scaly beneath, 3 inches long. Flowers 

 in compact heads, tubular, spreading lobes less than i inch 

 across, white. Hardy. 



R. dahuricum. North - Eastern China. 1780. An 

 erect, twiggy shrub 3 feet. Deciduous. Leaves ovate, 

 bright-green, pale beneath, i inch long, clustered at the 

 ends of the twiggy branches. Flowers few, at the ends of 

 the ripened shoots, bell-shaped, i inch across, rose-coloured. 

 Hardy. The variety sempervirens has persistent leaves and 

 purplish flowers. 



R. Dalhousice. Himalaya, 9000 feet. 1850. A sturdy, 

 straggling shrub, often epiphytic. Evergreen. Leaves 

 broadly oblong, smooth, glaucous green, sometimes ciliate, 

 4 inches long. Flowers in loose clusters, large, bell-shaped, 

 white or creamy, fragrant, calyx large, with five spreading, 

 leaf-like lobes. Tender. 



R. decorum. China. No doubt the Chinese form of 



